113885605571 has 2 divisors, whose sum is σ = 113885605572. Its totient is φ = 113885605570.

The previous prime is 113885605529. The next prime is 113885605649. The reversal of 113885605571 is 175506588311.

It is a weak prime.

It is an emirp because it is prime and its reverse (175506588311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113885605571 - 2¹⁸ = 113885343427 is a prime.

It is not a weakly prime, because it can be changed into another prime (113885605511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56942802785 + 56942802786.

It is an arithmetic number, because the mean of its divisors is an integer number (56942802786).

Almost surely, 2^113885605571 is an apocalyptic number.

113885605571 is a deficient number, since it is larger than the sum of its proper divisors (1).

113885605571 is an equidigital number, since it uses as much as digits as its factorization.

113885605571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 50.

The spelling of 113885605571 in words is "one hundred thirteen billion, eight hundred eighty-five million, six hundred five thousand, five hundred seventy-one".